CertifBus
Pricing

Pass your KNX exam on the first try.

Full access to the KNX Partner Basic or Advanced question bank: timed mock exams in the real exam format, detailed sourced explanations, three durations to fit your schedule. One-time payment. No subscription. 14-day money-back guarantee.

14-day money-back guaranteeNo subscriptionReal exam format · timed291+ questions per certification
Choose your plan ↓
Launch offer

Launch discount applied automatically at checkout until August 1 at 01:59.

  • 1 monthLaunch offer
    19 €9€
    ≈ €9 / month

    Exam in a few weeks? Drill every block, nail the scoring, show up ready. Thirty days is enough.

    • 30 days of access
    • 1 user
  • Recommended
    3 monthsLaunch offer
    29 €19€
    ≈ €6.3 / month

    Start before the course, train through it, and keep buffer for a retake if needed. The option most candidates choose.

    • 90 days of access
    • Save €28 vs 3 × 1 month
  • 6 monthsLaunch offer
    39 €29€
    ≈ €4.8 / month

    Fitting prep around a demanding job? Six months lets you go deep, step back when life gets busy, and arrive at the exam confident — not rushed.

    • 180 days of access
    • Save €75 vs 6 × 1 month
Timed mock exam — same asymmetric scoring as the real thing
Detailed answers with a public source cited on every question
Available in FR · EN · DE
KNX question bank, continuously updated
For teams

Team Pack — four people, one order

Preparing several team members at once? Tell us — we'll get back to you with a team offer tailored to your number of seats.

KNX Partner Basic

For candidates taking their first KNX certification after a 5-day course at an accredited training centre.

TP Topology · Telegrams · ETS · BCU · Physical and group addressing

KNX Partner Advanced

For installers who already hold Basic and want to go further.

Line couplers · Flags · KNX Secure · IP Routing · Advanced ETS

Every pack includes

Same features on every plan

  • Full KNX Partner Basic question bank — updated monthly
  • Timed mock-exam mode — proportional timer, no going back, asymmetric scoring
  • Detailed explanations with a public source cited on every question
  • Available in French, English and German
  • Session history with missed questions flagged for review
  • One-time payment — no auto-renewal, ever

Frequently asked

Is this a subscription? Will I be charged monthly?
No. It's a one-time payment. You pay once and get time-limited access (30, 90 or 180 days). No auto-renewal, no surprises.
If I fail the exam, does the pack expire?
If your access window is still open, you keep using it — no extra cost. If it's expired, you can top up with the 1-month pack at €19.
Are these the actual KNX exam questions?
No — and that would be illegal. CertifBus is an independent training tool, not affiliated with the KNX Association. Our questions are original, built on the same public KNX standard concepts the exam covers. Same format, same scoring, different questions.
What happens right after I pay?
You land on a confirmation page and receive an activation email within the minute. No account yet? One is created automatically with the email you used at checkout — just click the link.
Can I get a refund if it's not right for me?
Yes. Full refund within 14 days, no questions asked — as long as you haven't started your first timed mock exam. Once you launch one, we consider the service used. Just reach out through the contact form. Learning mode doesn't count — only the timed mock exam does.
What is the difference between Basic and Advanced?
KNX Partner Basic covers the core: TP topology, telegrams, ETS, BCU, addressing. KNX Partner Advanced is for installers who already hold Basic and want to go further — line coupling, flags, KNX Secure, IP routing. Two distinct question banks, two distinct exams.
Can I get a VAT invoice?
Yes. Stripe sends a receipt automatically after payment. For a formal VAT invoice, contact us through the form with your intra-community VAT number.
Does CertifBus work alongside the training centre course?
That's exactly what it's built for. The content maps to the official KNX curriculum — same topics, same exam format. Use it before the 5-day course to hit the ground running, during it to lock things in, and after to arrive at the exam confident.
14-day money-back guarantee

Not sure yet? Try the question bank before you buy.

Try 10 free questions →